An attacker could overwrite files owned by the user if KGet opened a crafted metalink file.
It was discovered that KGet did not properly perform input validation when processing metalink files. If a user were tricked into opening a crafted metalink file, a remote attacker could overwrite files via directory traversal, which could eventually lead to arbitrary code execution.
18 April 2011
A security issue affects these releases of Ubuntu and its derivatives:
An attacker could overwrite files owned by the user if KGet opened a crafted metalink file.
It was discovered that KGet did not properly perform input validation when processing metalink files. If a user were tricked into opening a crafted metalink file, a remote attacker could overwrite files via directory traversal, which could eventually lead to arbitrary code execution.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart KGet to make all the necessary changes.
Vulmon